55573153 has 4 divisors (see below), whose sum is σ = 58842180. Its totient is φ = 52304128.

The previous prime is 55573139. The next prime is 55573159. The reversal of 55573153 is 35137555.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34715664 + 20857489 = 5892^2 + 4567^2 .

It is a cyclic number.

It is not a de Polignac number, because 55573153 - 2⁵ = 55573121 is a prime.

It is a super-2 number, since 2×55573153² = 6176750668722818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55573159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1634488 + ... + 1634521.

It is an arithmetic number, because the mean of its divisors is an integer number (14710545).

Almost surely, 2^55573153 is an apocalyptic number.

It is an amenable number.

55573153 is a deficient number, since it is larger than the sum of its proper divisors (3269027).

55573153 is a wasteful number, since it uses less digits than its factorization.

55573153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3269026.

The product of its digits is 39375, while the sum is 34.

The square root of 55573153 is about 7454.7403039945. The cubic root of 55573153 is about 381.6116980220.

The spelling of 55573153 in words is "fifty-five million, five hundred seventy-three thousand, one hundred fifty-three".